// nodeMCU Amica V2 Module mit ESP8266 12E - WiFiWebClient-0
// Board: NodeMCU 1.0 (ESP12E Module)
 
#include <ESP8266WiFi.h>
#define ssid      "mrge-ap-bu46"
#define password  ""
#define host      "10.50.20.xx"  // IP deines PC
#define httpPort  80
 
void setup() {
  Serial.begin(115200); Serial.println("\nWiFiWebClient-0");
  WiFi.mode(WIFI_STA); pinMode(D0,OUTPUT); digitalWrite(D0,LOW);
  WiFi.begin(ssid, password);
  Serial.println("Verbinde mit " + String(ssid));
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print("."); delay(500);
  }
  Serial.println("\nWiFi verbunden mit " + String(ssid));
  Serial.println("IP address: " + WiFi.localIP().toString());
}
 
void loop() {
  digitalWrite(D0,HIGH); delay(5000); digitalWrite(D0,LOW);
  Serial.println("\nVerbinde mit " + String(host));
  WiFiClient client;                    // Verbindung zum Webserver
  if (!client.connect(host, httpPort)) {
    Serial.println("connection failed");
    return;
  }
  Serial.println("WiFi verbunden über " + String(ssid) +
                 " mit " + String(host));
  String pfad = "/test.html";
  Serial.println("http://" + String(host) + pfad);
 
  // Anfrage an Webserver
  client.print(String("GET ") + pfad + " HTTP/1.1\r\n" +
               "Host: " + host + "\r\n" +
               "Connection: close\r\n\r\n");
 
  while (client.available() == 0) {} // Warte auf Anwort des Webservers
 
  while (client.available()) {       // Lies die Anwort des Webservers                
    Serial.println(client.readStringUntil('\n'));
  }
  client.stop();
  Serial.println("\nClosing connection");
}